111013021129 has 2 divisors, whose sum is σ = 111013021130. Its totient is φ = 111013021128.

The previous prime is 111013021103. The next prime is 111013021211. The reversal of 111013021129 is 921120310111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111008912400 + 4108729 = 333180^2 + 2027^2 .

It is a cyclic number.

It is not a de Polignac number, because 111013021129 - 2¹⁷ = 111012890057 is a prime.

It is not a weakly prime, because it can be changed into another prime (111013081129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55506510564 + 55506510565.

It is an arithmetic number, because the mean of its divisors is an integer number (55506510565).

Almost surely, 2^111013021129 is an apocalyptic number.

It is an amenable number.

111013021129 is a deficient number, since it is larger than the sum of its proper divisors (1).

111013021129 is an equidigital number, since it uses as much as digits as its factorization.

111013021129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 22.

The spelling of 111013021129 in words is "one hundred eleven billion, thirteen million, twenty-one thousand, one hundred twenty-nine".